FR506550A - Improvements to devices operating shutter disks for cinematographic projection devices - Google Patents

Improvements to devices operating shutter disks for cinematographic projection devices

Info

Publication number
FR506550A
FR506550A FR506550A FR506550DA FR506550A FR 506550 A FR506550 A FR 506550A FR 506550 A FR506550 A FR 506550A FR 506550D A FR506550D A FR 506550DA FR 506550 A FR506550 A FR 506550A
Authority
FR
France
Prior art keywords
devices
shutter disks
cinematographic projection
operating shutter
devices operating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR506550A
Other languages
French (fr)
Inventor
Thomas Royle
William Whitehead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR506550A publication Critical patent/FR506550A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR506550A 1918-11-06 1919-11-25 Improvements to devices operating shutter disks for cinematographic projection devices Expired FR506550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB506550X 1918-11-06

Publications (1)

Publication Number Publication Date
FR506550A true FR506550A (en) 1920-08-24

Family

ID=10456821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506550A Expired FR506550A (en) 1918-11-06 1919-11-25 Improvements to devices operating shutter disks for cinematographic projection devices

Country Status (1)

Country Link
FR (1) FR506550A (en)

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